Review Gardena 19040 20 smart soil moisture sensor

GARDENA 19031-20 - Smart garden irrigation, tap valve 175.28 EUR GARDENA smart Water Control - app-controlled garden irrigation the smart way

App-controlled irrigation:
Control your garden irrigation conveniently via the GARDENA smart app - anytime, anywhere.
Flexible irrigation schedules:
Create custom schedules with up to 36 irrigation cycles per day and adapt them to the needs of your plants.
Weather-dependent control:
The app takes current weather data into account and adapts the irrigation accordingly for on-demand water supply.
Frost warning:
An integrated temperature sensor automatically sends an alert to the app if there is a risk of frost.

Technical details

Irrigation cycles per day: 36
Irrigation duration: 1 minute to 10 hours
Irrigation frequency: individual selection of irrigation days
Power supply: 3x AA 1.5 V alkaline batteries (LR6, not included)
Operating pressure: 0.5 - 12 bar
Threaded connection: 26.5 mm (G3/4), 33.3 mm (G1)
App control: GARDENA smart app (online registration required)

Note:
Please note that to use the GARDENA smart Water Control, a GARDENA smart Gateway is required, which is sold separately or is included in the GARDENA smart system starter sets.

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GARDENA 19095-20 - Smart outdoor socket, adapter 89.49 EUR GARDENA smart Power adapter - app-controlled outdoor socket for garden lights and other electrical equipment

Smart control for outdoor electrical equipment

App control:
Manage your garden lighting and other electrical equipment conveniently via the GARDENA smart app.
Easy installation:
Simply plug into an existing socket - ready for immediate use.
Weather resistant:
IP44 protection class makes it ideal for year-round outdoor use.
Manual control:
In addition to the app, the adapter can be switched on and off at the push of a button.
Compatibility:
Can be integrated into the GARDENA smart system for comprehensive garden automation.

Technical data

Protection class: IP44 (splash-proof)
Operating temperature: -20°C to +50°C
Compatibility: GARDENA smart system, Apple HomeKit, Amazon Alexa
Control: GARDENA smart app (iOS, Android, web)
Dimensions: approx. 12.6 x 7.6 x 10.2 cm (L x W x H)
Weight: approx. 150 g

Note:
Please note that to use the sensor, a GARDENA smart Gateway is required, which is sold separately or is included in the GARDENA smart system starter sets.

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GARDENA 19202-20 - Smart garden irrigation, starter set 296.21 EUR GARDENA smart Sensor Control Set - Set for flexible and needs-based watering with the GARDENA smart App

Automated watering with precise sensor technology and app control

Complete solution:
Includes smart Sensor, smart Water Control and smart Gateway for an instant start.
Precise soil moisture measurement:
The sensor measures the moisture directly in the root area of your plants.
App-controlled watering:
Control and monitoring via the GARDENA smart app - anytime, anywhere.
Individual schedules:
Up to 36 watering cycles per day with flexible adjustment to your garden needs.
Weather-dependent control:
Avoid unnecessary watering after periods of rain thanks to intelligent sensor technology.
Simple installation:
Direct mounting of the Water Control on the tap and wireless operation of the devices.
Expandable:
Compatible with other devices from the GARDENA smart system as well as Micro-Drip and sprinkler systems.

Intelligent watering for your garden
The GARDENA smart Sensor Control Set enables fully automatic and needs-based watering of your garden.
The smart sensor included in the set measures the soil moisture directly at the roots of your plants and transmits the data to the GARDENA smart App.
Based on this information, the smart Water Control controls the watering precisely and efficiently.

Convenient control via app
With the GARDENA smart app, you can create individual watering plans and adjust them flexibly.
The app takes current weather data into account and adjusts the watering accordingly - for optimum plant care and efficient water use.
You also receive warnings if there is a risk of frost to protect your irrigation system from damage.

Simple installation and expandability
Installing the system is straightforward: The smart Water Control is mounted directly on the tap, the smart Sensor can be placed flexibly in the garden and the smart Gateway is connected to your internet router.
The system can be expanded at any time with other devices from the GARDENA smart system and is ideal for combining with the Micro-Drip system or the GARDENA sprinkler system.

Technical details

Watering cycles per day: Up to 36
Watering duration: 1 minute to 10 hours
Power supply: 2 × AA 1.5 V / 3 × AA 1.5 V batteries (LR6, not included)
Operating pressure: 0.5 - 12 bar
Threaded connection: 26.5 mm (G3/4), 33.3 mm (G1)
App control: GARDENA smart App (online registration required)

Note:
Please note that online registration and the creation of a user account with GARDENA is required to use the GARDENA smart Sensor Control Set.

Scope of delivery:

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GARDENA 19210-20 - Smart garden irrigation starter set 330.32 EUR GARDENA smart irrigation control sensor set - flexible irrigation control for up to six different garden areas using the GARDENA smart app

Automated, demand-based garden irrigation for up to six areas

Individual control of up to six irrigation zones
Compatible with standard 24 V irrigation valves
Precise soil moisture measurement directly at the roots
App-controlled operation via the GARDENA smart app
Integration of weather data and soil moisture measurement for demand-based watering
Robust, splash-proof design for outdoor use

Technical details

Controllable zones: up to 6
Compatibility: common 24-V irrigation valves
Communication: via GARDENA smart gateway
App control: GARDENA smart app (iOS, Android)
Protection rating: splash-proof

Note:
Please note that to use the GARDENA smart irrigation control sensor set, you must register online and set up a GARDENA user account.

Included in delivery:

1 x GARDENA smart irrigation control
1 x GARDENA smart sensor
1 x GARDENA smart gateway

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GARDENA 01889-20 - Smart garden irrigation, Bluetooth 66.75 EUR GARDENA Watering Control Bluetooth®

Watering cycles per day: 3
Watering duration: 0 h 1 min - 7 h 59 min
Watering frequency: Individual selection of watering days

The GARDENA Watering Control with Bluetooth® App
With the Bluetooth® Watering Controller from GARDENA, you can conveniently configure the automatic watering of your garden using your smartphone or tablet.
The weatherproof device with an elegantly simple design is installed directly on the outdoor tap.
Thanks to Bluetooth®, the irrigation control can be set within a radius of up to 10 m, for example from the comfort of your garden lounger.
A smartphone or tablet with iOS or Android serves as a practical remote control.
After installation, the GARDENA Bluetooth® app guides you step by step through the necessary settings to connect your smartphone to the irrigation controller.
You can then let the Watering Assistant easily suggest the ideal watering cycles for your plants or set up to 3 individual schedules as you wish.
Each schedule consists of different start times and durations and can be repeated on different days of the week.
A rain break can be set if required.
This allows you to ensure that your garden is not watered unnecessarily during a rainy week.
This is good for the plants and you also save water.
If you wish, you can also connect the separately available soil moisture sensor.
This then automatically ensures water-saving irrigation according to demand by not carrying out time-controlled irrigation when the soil is wet.
Three status LEDs on the control panel indicate the current status of the Bluetooth® connection, watering and the 9 V alkaline battery.
This allows operation for a whole year.
If you want to supply your plants with water outside of the watering cycle, watering can be started and stopped manually at any time by pressing a button on the device.
Thanks to the GARDENA Safe Stop function, you have automatic watering under control at all times: if the battery power runs low, the next watering cycle is automatically prevented from starting.
This gives you the certainty that your garden is protected from overwatering at all times.

Technical data

Power supply: 1 x 9 V alkaline battery (not included)
Connection for sensors: Yes
Operating pressure Min: 0.5 bar
Max. Operating pressure: 12 bar
Thread: For taps with 26.5 mm (G 3/4) and 33.3 mm (G1) thread
App controlled: GARDENA Bluetooth® App

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GARDENA 19035-20 - Smart irrigation control, control unit 198.02 EUR GARDENA smart Irrigation Control - smart irrigation for up to six different garden areas

The GARDENA smart Irrigation Control enables central control of a garden irrigation system with up to six 24-V irrigation valves.
This allows you to create and manage customised, fully automatic irrigation schedules for different garden areas.

Individual control of up to six irrigation zones
Compatible with common 24-V irrigation valves
App-controlled operation via the GARDENA smart app
Integration of weather data and soil moisture measurements for on-demand irrigation
Compatible with Apple HomeKit and Amazon Alexa
Robust, splash-proof design for outdoor use

Technical data

Controllable zones: up to 6
Compatibility: common 24-V irrigation valves
Communication: via GARDENA smart Gateway (sold separately)
App control: GARDENA smart app (iOS, Android)

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GARDENA 19103-20 - Smart garden irrigation, starter set 233.16 EUR GARDENA smart Water Control set - app-controlled garden irrigation the smart way, including GARDENA smart Gateway

App-controlled irrigation: Control your garden irrigation conveniently via the GARDENA smart app - anytime, anywhere.
Custom irrigation schedules: Create up to 36 irrigation cycles per day with flexible adaptation to the needs of your plants.
Weather-dependent control: The app takes current weather data into account and adapts the irrigation accordingly for on-demand water supply.

Technical details

Irrigation cycles per day: up to 36
Irrigation duration: 1 minute to 10 hours
Irrigation frequency: up to 6 times a day, weekdays freely selectable
Power supply: 3x AA 1.5 V alkaline batteries (LR6, not included)
Operating pressure: 0.5 - 12 bar
Threaded connection: 26.5 mm (G3/4), 33.3 mm (G1)
App control: GARDENA smart app (online registration required)

Note:
Please note that online registration and the creation of a GARDENA user account is required to use the GARDENA smart Water Control sets.

Included in delivery:

1x GARDENA smart Water Control
1x GARDENA smart Gateway

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GARDENA 19005-20 - Smart Home central unit, Gateway 113.26 EUR GARDENA smart Gateway, connection device for smart products, smart system - the essential accessory for connecting smart products - convenient control via app

Central connection unit:
The smart Gateway forms the heart of the GARDENA smart system and enables communication of all smart devices.
Flexible Internet connection:
Connect to the Internet router via WIFI or via the supplied LAN cable.
Long range:
Stable wireless connection (868 MHz) even in large gardens due to powerful antennas.
App control:
Convenient control of all connected devices via the GARDENA smart app - anytime, anywhere.
Secure data transmission:
Encrypted communication for maximum data protection.
Energy-efficient:
Optimised for long runtime of battery-powered devices.

Technical data

Frequency band: 868 MHz
Internet connection: WIFI or LAN (cable included)
App control: GARDENA smart app (iOS, Android)
Security features: encrypted data transmission

Note:
Please note that online registration and the creation of a GARDENA user account is required to use the GARDENA smart Gateway.
Included in delivery:

1x GARDENA smart Gateway
1x LAN cable
1x power supply unit

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KEMO M 173 - Soil moisture sensor, 12 V/DC 40.95 EUR This sensor switches on your garden irrigation pump or the solenoid valve on when the soil is dry, and turns off when enough moisture is in the soil.

The measuring head is buried in the soil at the depth, where it is supposed to measure and is connected via a cable to the base unit. There is a 2-m cable included, but the sensor cable can be extended using a conventional 2-pin cable up to 20 m. The device is operated using a commercially available plug-in power supply (12 V/DC stabilized, > 130 mA, jack 3.5 mm). If the garden is to be watered only at certain times of day or days of the week, then plug the power supply into a commercially available timer and program this accordingly. If the soil moisture sensor gets power from the power supply unit, it will start to work.

Operating sequence:
After switching on the operating voltage, the soil moisture is measured. If the soil is too dry, the connected pump is switched on for 18 - 30 minutes. If the soil is sufficiently wet, the device goes into ''Pause'' mode for approximately 18 - 30 minutes and then makes a new measurement. This continues in an endless loop until the operating voltage is switched off.

Technical data
Operating voltage 12 V= stabilized > 130 mA, 3.5 mm jack socket
Display 3 LED's: ''On'' ... ''Off'' ... ''Pause''
Switch contact potential-free relay contact 1 x On max. 3 A (up to 25 V or also 230 V~, see description)
Connections screw terminals
Time delays 18 - 30 minutes each
Infinitely adjustable threshold
The base must be mounted in a dry area.
Soil moisture sensor diameter dimensions approx. 30 x 64 mm plus 2 galvanized metal pins approximately 4 x 40 mm
Base unit dimensions approx. 72 x 50 x 28 mm (without mounting brackets)

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MILESIGHT MIL EM500-SMTC - Soil Moisture Sensor, LoRaWAN 526.71 EUR Soil Moisture, Temperature and Electrical Conductivity Sensor
EM500-SMTC provides an external probe for receiving accurate and instantaneous information on soil moisture content, temperature, and electrical conductivity, it is an important tool for anyone involved with soil.

Research-grade accuracy in multiple soil media
Easy installation into undisturbed soil
Rapid monitoring of growing conditions

Smart Soil Monitoring
Over the past few years, the applications of massive IoT deployed in soil monitoring, for example, greenhouse, have accelerated the evolution of digital farming. The data collection of environmental factors such as temperature, humidity, soil content, wind speed, rainfall, nitrogen, phosphorus, and potassium has composed an important part in soil monitoring.

LoRaWAN Wireless Transmission
Ultra-low power consumption and easy deployment
Built-in 19000 mAh high-capacity battery can be used for 10 years.

19000 mAh Li-SOCl2 battery
NFC enabled
IP66 rated
Cable Length 2M

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SCHABUS 500240 - Smart water detector with floor sensor 164.94 EUR WWD 240 Smart water detector 230 VAC/50Hz/protective contact plug

The WWD 240 socket outlet water detector functions as a purely acoustic detector.
If ground moisture is detected by the sensor, a loud acoustic alarm sounds and the LED flashes red.
After you have added the device to the Smart Live app, it sends a push notification to your smartphone in the event of an incident.
Once the sensor has dried out, the device automatically stops and the LED lights up green again.

Simple installation (230 V socket device)
Acoustic and visual alarm signal
Water sensor with 2.8 m cable (can be extended)
Install free of charge on the Smart-Life - Smart-Living-APP

The WWD 240 water detector is a device for detecting changes in water level.
As soon as the sensor comes into contact with water, an acoustic and visual alarm signal sounds and warns you of unexpected water ingress.
Once you have added the device to the Smart Live app, it sends a push notification to your smartphone in the event of an incident.
The cable and sensor should not be left in water permanently, but should be dried again as quickly as possible.

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GARDENA 19096-20 - Smart outdoor socket, adapter, three pieces 180.44 EUR GARDENA smart Power adapter, pack of three - app-controlled outdoor socket for garden lights and other electrical equipment

Smart control for outdoor electrical equipment

App control:
Manage your garden lighting and other electrical equipment conveniently via the GARDENA smart app.
Easy installation:
Simply plug into an existing socket - ready for immediate use.
Weather resistant:
IP44 protection class makes it ideal for year-round outdoor use.
Manual control:
In addition to the app, the adapter can be switched on and off at the push of a button.
Compatibility:
Can be integrated into the GARDENA smart system for comprehensive garden automation.

Technical data

Protection class: IP44 (splash-proof)
Operating temperature: -20°C to +50°C
Compatibility: GARDENA smart system, Apple HomeKit, Amazon Alexa
Control: GARDENA smart app (iOS, Android, web)
Dimensions: approx. 12.6 x 7.6 x 10.2 cm (L x W x H)
Weight: approx. 150 g

Note:
Please note that to use the sensor, a GARDENA smart Gateway is required, which is sold separately or is included in the GARDENA smart system starter sets.

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SOLDERED DEBO SEN HUM - Arduino - Moisture sensor (soil moisture) 13.57 EUR The simple soil moisture sensor allows you to precisely control the watering of your plants and avoid overwatering. The device consists of two parts: Two exposed prongs that are inserted into the soil and send moisture information to the sensor via a connected cable.

Connection is made via a supplied JST-SH 2-pin cable
uses the LM393 differential comparator for signal processing
provides both analog and digital outputs
analog values are always available on the AO pin
digital signal is output on the DO pin when the set threshold value is exceeded

The sensor provides reliable data on soil moisture, which is determined by the electrical conductivity of the soil. The higher the water content, the better the conductivity and therefore the measurement accuracy. To use the sensor, the GND and VCC pins must be connected to an Arduino (or a compatible board such as Dasduino). A correct connection of the two sensor parts is essential, as a loose connection usually leads to malfunctions. If problems occur, it is advisable to check the connections and the program code. Wear on the prongs can also lead to malfunctions, in which case the affected parts must be replaced.

Technical data

Logic level: corresponds to VCC
Operating voltage: 3.3 ... 5 V
Plug connector: JST-SH 2-pin (female)
Onboard comparator: LM393
Mounting holes: 2 (on single sensor)
Dimensions: 54 x 22 mm, 22 x 22 mm
Plug-in board: Yes

In summary, this soil moisture sensor enables effective monitoring of soil moisture, making it easier to care for plants through precise watering. The dual output options allow the sensor to be used flexibly in various applications, while the easy integration with Arduino boards ensures wide usability.

External links
https://github.com/SolderedElectronics/Soldered-Simple-Sensor-Arduino-Library

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IDUINO ARD SEN WET2 - Arduino - Moisture sensor for soil moisture 10.76 EUR Der Feuchtesensor detektiert Wasser und andere Flüssigkeiten und gibt über seinen Signalpin ein entsprechendes Analogsignal aus. Mit einem Arduino oder einem anderen Mikrocontroller kann dieses dann verarbeitet werden. Hierbei liest der Arduino, wenn der Sensorikbereich vollständig bedeckt ist, den Wert 1023 aus. Ist der Bereich nur zu Hälfte im Wasser beträgt der Ausgabewert entsprechend 512.

Technische Daten
Betriebsspannung 5 V DC
Maße: 65 x 20 mm

Hinweis
Der Sensor ist nur für experimentelle Versuche vorgesehen. Wichtige Bauelemente sind nicht vor Wasser geschützt. Kontakt mit Wasser kann zu Kurzschlüssen führen und ist unbedingt zu vermeiden.

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PBS ST ST1820 - LinkedGo smart heating thermostat, powered by Shelly 94.82 EUR LinkedGo smart heating thermostat (floor)

Smart thermostat, ''powered by Shelly'' - ideal for the precise control of underfloor heating.
Controls heating valves and can communicate with other heat sources.
Featuring a moisture sensor, frost protection and all Shelly functions.

Valve control: Controls the valves of your underfloor heating system precisely (supports up to 2-A resistive load or 1-A inductive load)
Relay with floating contact: Can switch your gas heater, pellet stove or other heat sources on and off
Compatible with electric underfloor heating: The thermostat can communicate with a connected Shelly relay to automatically switch the heater on or off based on temperature settings
Frost protection function: Keeps the temperature at a minimum level during prolonged absences to prevent freezing and pipe bursts
Moisture sensor: Improves heating performance by taking temperature and humidity values into account
Temperature and humidity offsets: Adjust the thermostat readings for even more accurate results
No hub required. Wi-Fi and Bluetooth connectivity
Wireless range extender and BLE gateway
Easy, intuitive control interface

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SEEED GRV HUMIDITYSEN2 - Arduino - Moisture sensor, floor, (corrosion-resistant) 16.14 EUR Description
The Grove - capacitive moisture sensor (corrosion resistant) is a soil moisture sensor based on changes in capacitance. Compared to resistance sensors, capacitive sensors do not require direct contact with the metal electrodes, which can significantly reduce erosion of the electrodes.

Corrosion-resistant design: the capacitive contact measurement system avoids oxidation of the probe
powerful embedded ICs: NE555DR from TI with integrated amplifier, good for capacitive measurements
Plug-and-play: Grove-compatible interface (data transmission) and a long, straight pad act as a probe (data acquisition)
Beginner-friendly: detailed start-up tutorials, numerous resources and projects on the wiki and in the community

Technical data
• Operating voltage: 3.3 ... 5 V
• Output interface: analog
• LxWxH: 92 x 23.5 x 6.5 mm
• Dimensions of the circuit board: 2.0 x 6.0 cm

Technical features
• Grove-compatible interface
• easy to use

applications
• botanical horticulture
• humidity sensing
• consistency measurement

Note
The sensor is NOT specially protected against contamination or water in the control circuit

Instructions in pdf format are available for Grove users (especially beginners). Before using the product, you should definitely read the chapters ''Preface'', ''Getting Started'' and ''Introduction to Grove''!

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HOMEMATIC IP HMIP STHO - External temperature and humidity sensor 61.58 EUR Measures outdoor temperature and humidity

The Homematic IP temperature and humidity sensor is part of the Homematic IP Smart Home system and monitors the outside temperature and humidity. The compact sensor detects temperatures between minus 20 °C and plus 55 °C and the relative humidity between 0 and 99%. In combination with other Homematic IP devices, there are numerous practical applications. For example, the sensor can be used for ventilation or dehumidification controls, as a frost monitor for heating sensitive greenhouse plants and numerous other scenarios. In addition, the determined weather data is displayed and evaluated in the Homematic IP app. The power supply is provided by two LR6 batteries, which can supply the sensor with energy for a typical five-year period. The required mounting material is supplied.

Display and evaluation of the determined weather data via the Homematic IP app
Wide range of applications in conjunction with other Homematic IP devices (e.g. for ventilation or dehumidification control)
Thanks to battery operation and wireless communication, it is ready for immediate use
Flexible and easy installation thanks to the supplied dowels and screws
Available in white (HmIP-STHO) and anthracite (HmIP-STHO-a)
Can be operated with the access point in conjunction with the Homematic IP app (without additional costs), the Homematic headquarters CCU2 as well as with many partner solutions

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HOMEMATIC IP HMIP STHO-A - External temperature and humidity sensor 61.58 EUR Measures outdoor temperature and humidity

The Homematic IP temperature and humidity sensor is part of the Homematic IP Smart Home system and monitors the outside temperature and humidity. The compact sensor detects temperatures between minus 20 °C and plus 55 °C and the relative humidity between 0 and 99%. In combination with other Homematic IP devices, there are numerous practical applications. For example, the sensor can be used for ventilation or dehumidification controls, as a frost monitor for heating sensitive greenhouse plants and numerous other scenarios. In addition, the determined weather data is displayed and evaluated in the Homematic IP app. The power supply is provided by two LR6 batteries, which can supply the sensor with energy for a typical five-year period. The required mounting material is supplied.

Display and evaluation of the determined weather data via the Homematic IP app
Wide range of applications in conjunction with other Homematic IP devices (e.g. for ventilation or dehumidification control)
Thanks to battery operation and wireless communication, it is ready for immediate use
Flexible and easy installation thanks to the supplied dowels and screws
Available in white (HmIP-STHO) and anthracite (HmIP-STHO-a)
Can be operated with the access point in conjunction with the Homematic IP app (without additional costs), the Homematic headquarters CCU2 as well as with many partner solutions

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ELSYS M-TEROS12 - Water content sensor (VWC), for ELT-2 500.87 EUR ELT-2 Volumetric water content sensor (VWC) Teros 12

The Teros 12 can retrofit the ELT-2 from Elsys and determines the volumetric water content (VWC) by measuring the dielectric constant of the medium using capacitance/frequency domain technology.

The ELT Advanced Soil Moisture Sensor determines volumetric water content (VWC) by measuring the dielectric constant of the medium using capacitance/frequency domain technology.
Its 70 MHz frequency minimizes salinity and structural effects, making this sensor accurate in almost any soil or soilless media.
Factory calibrations for mineral soils, potting soil, rock wool and perlite are included.

Note: This sensor requires a voltage of 4V and requires the ELT 5V Step-Up Module.

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CONTRINEX DWAD 509 M30 390 - Proximity sensor, analogue 10 V, M30, 0 - 20 mm, 2 m 133.93 EUR Robust and highly reliable: Contrinex inductive sensors are suitable for the non-contact detection of metallic parts at distances of up to 40 mm. The vacuum-sealed electronics and the metal enclosure protect the sensors against impact, vibration, dust, dirt and moisture. Contrinex sensors are ideal for use in demanding environmental conditions. An inductive sensor generates a high-frequency magnetic field. If a metallic object comes near to this field, energy is taken from it and the output switches.

• Size: M30
• Length: 60 mm
• Measurement range: 0 - 20 mm
• Analogue output: 0 - 10 V/4 - 20 mA
• Connection: 2 m cable
• Installation: semi-flush
• Design: cylindrical
• Supply voltage: 15 - 30 VDC
• Material: chrome-plated brass
• Protection class: IP67

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CONTRINEX DWAS 703 M30 002 - Proximity sensor, NO contact, M30, 20.0 mm, M12 112.38 EUR Robust and highly reliable: Contrinex inductive sensors are suitable for the non-contact detection of metallic parts at distances of up to 40 mm. The vacuum-sealed electronics and the metal enclosure protect the sensors against impact, vibration, dust, dirt and moisture. Contrinex sensors are ideal for use in demanding environmental conditions. An inductive sensor generates a high-frequency magnetic field. If a metallic object comes near to this field, energy is taken from it and the output switches.

• Size: M30
• Length: 63.5 mm
• Switching distance: 20.0 mm
• Switching output: PNP, NO contact
• Connector: 4-pin M12 plug
• Installation: flush
• Design: cylindrical
• Supply voltage: 10 - 30 VDC
• Material: chrome-plated brass

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SEEED GRV HUMIDITYSENS - Arduino - Grove Humidity Sensor 13.72 EUR Description
TheGrove - Moisture Sensor can be used to detect the moisture of soil, to judge if there is dampness around the sensor. It can be used to decide if the plants in a garden need watering. It can be used in gardens to automate watering plants. It can be used very easily by just inserting the sensor into the soil and reading the output using ADC.

Note
This sensor is not hardened against contamination or exposure of the control circuitry to water and may be prone to electrolytic corrosion across the probes , please use it for PROTOTYPING ONLY.

Features
• Grove compatible interface
• Easy to use

Specification
• Operating voltage: 3.3~5V
• Operating current: 35mA
• Sensor Output Value in dry soil: 0~ 300
• Sensor Output Value in humid soil: 300~700
• Sensor Output Value in water: 700 ~ 950
• PCB size: 2.0cm X 6.0cm

For all Grove users (especially beginners), we provide you guidance PDF documents. Please download and read through Preface - Getting Started and Introduction to Grove before your using of the product.

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DELOCK 91384 - Temperature sensor cable, DS18B20, RJ45 plug, 1 m 26.99 EUR Temperature sensor cable, DS18B20, RJ45 plug, 1 m

This temperature sensor by Delock reliably measures the ambient temperature and is ideal for use in smart home systems, server rooms, heating and cooling systems as well as industrial applications. Thanks to the digital DS18B20 sensor, it can be integrated directly into 1-Wire systems.

Technical data

Connections:
1x temperature sensor
1x RJ45 plug
Chipset: DS18B20
Stainless steel probe: Ø 6 mm x 50 mm
Temperature measuring range: -40 °C ~ 150 °C
Protection class: IP67
Cable sheath material: PTFE
Color: black
Length incl. connections: approx. 1 m

Package contents

Temperature sensor

packaging

Resealable bag

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DNT 000019 - Additional sensor, soil moisture 40.95 EUR dnt wireless soil moisture sensor for WLAN weather station WeatherScreen PRO, additional sensor DNT000019

Extensive expansion of your WeatherScreen PRO to a weather recording system
You can expand the WLAN weather station WeatherScreen PRO with 4 different types of additional sensors and thus optimally adapt it to your personal needs.
Up to 8 additional thermo/hygro sensors can be integrated for a comprehensive indoor climate detection system. In addition, up to 8 soil moisture sensors can be integrated.
In addition, up to 8 floor/water temperature sensors (e.g. 5x floor temperature & 3x water temperature) can be installed in total.

Practical data visualization via display and app
The transmission of the measurement data collected at your location to the dnt WLAN weather station WeatherScreen PRO takes place wirelessly via 868 MHz radio.
In addition to the detailed data visualization on the WeatherScreen TFT product display, you can also conveniently display curve diagrams via the Ecowitt app on your smartphone and tablet.
In doing so, you can individually determine the recording periods for the relative soil moisture and derive your analyses/knowledge from them in a targeted manner.

Supports demand-based, cost-efficient and resource-saving watering.
Suitable for e.g. the plant bed, lawn, raised bed, indoor plants, etc.
Practical sensor extension of the dnt WLAN weather station WeatherScreen PRO
Up to 8 soil moisture sensors can be integrated in total
Simple plug & play commissioning and installation
Free app for iOS and Android smartphones/tablets
Measurement data incl. measurement curves viewable via WeatherScreen PRO display and Ecowitt app
Wireless data transmission via 868 MHz radio, typ. 100 m free-field radio range
Capacitive measurement (FDR principle) - measuring range (0-100 %), resolution (1 %), accuracy (±10 %)
Factory calibrated sensor, can be calibrated manually on request
Easy power supply via 1x Mignon/AA battery (not included in package contents)
Low maintenance thanks to long battery life of up to 12 months
Robust plastic housing with rubber seals and protective cap
Suitable for indoor and outdoor use - weatherproof with protection class IP66
Operating temperature: -20 °C to +50 °C
Dim. (L x W x D): 170 x 85 x 25 mm, product weight: 71 g

Capacitive measurement (FDR principle)
The soil moisture sensor works according to the common FDR principle (Frequency-Domain-Reflectory) and thus determines the relative humidity in the soil.
The principle basically works capacitively, with the moist soil forming the dielectric of the capacitor.
In order to minimize the influence of, among other things, salts in the soil and to improve measurement accuracy, the sensor is housed in...

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VENTUS W049 - Soil moristure sensor 35.74 EUR Soil moristure sensor for VENTUS W640 and W838

Wireless soil thermometer and soil moisture sensor
Range: Up to 100 meters
Waterproof cabinet
60 second transmission interval
Dimensions: 58 X 125 X 19 mm

Note:
Batteries: 2 X AA not included.

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CONTRINEX DWAS 513 M18 002 - Proximity sensor, NO, M18, 20.0 mm, M12 77.65 EUR Robust and highly reliable: Contrinex inductive sensors are suitable for the non-contact detection of metallic parts at distances of up to 40 mm. The vacuum-sealed electronics and the metal enclosure protect the sensors against impact, vibration, dust, dirt and moisture. Contrinex sensors are ideal for use in demanding environmental conditions. An inductive sensor generates a high-frequency magnetic field. If a metallic object comes near to this field, energy is taken from it and the output switches.

• Size: M18
• Length: 64 mm
• Switching distance: 20.0 mm
• Switching output: PNP, NO contact
• Connector: 4-pin M12 plug
• Installation: non-flush
• Design: cylindrical
• Supply voltage: 10 - 30 VDC
• Material: chrome-plated brass

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ELTAKO FTTB - Pushbutton tracker EnOcean 77.08 EUR Radio push-button tracker with battery (life span 5-8 years). 55 x 44 mm, 15 mm high.
Weight only 20 grams. Smart Home Sensor.
The wireless pushbutton tracker FTTB has a blue pushbutton with which the normal pushbutton telegram is sent. After opening the housing (reach into the joint and pull it apart), a slide switch in the position Tr the tracker can be switched on. The sensor then sends a presence telegram every 60 seconds. An internal 3V battery CR2032 provides power for several years.

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GARDENA 19040-20 - Smart soil moisture sensor

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